Cheap flights from Kos, Greece to Ontario, CA
Flights starting at £286. Choose between Alaska Airlines, JetBlue Airways, or Frontier Airlines to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to Ontario
Cheapest one-way trip | £411 |
---|---|
Cheapest round-trip | £776 |
Average round-trip | £914 |
Includes rare itinerary | |
Most popular airline | Alaska Airlines |
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
The most popular airlines for this route are Alaska Airlines, JetBlue Airways, Frontier Airlines, easyJet, and Jet2. Kos and Ontario have 190 direct flights per week.
Check-in for a flight from Kos to Ontario
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
easyJet | EZY | U2 | No | Opens 720 days before flight Closes 2 hours before flight |
Jet2 | EXS | LS | No | Opens 336 days before flight Closes 5 hours before flight |
Weather in Ontario
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 18°C | 7°C |
February | 18°C | 7°C |
March | 20°C | 8°C |
April | 23°C | 10°C |
May | 25°C | 13°C |
June | 29°C | 16°C |
July | 33°C | 19°C |
August | 33°C | 20°C |
September | 32°C | 18°C |
October | 27°C | 15°C |
November | 22°C | 10°C |
December | 17°C | 7°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Kos
- Flights from Kos to Athens
- Flights from Kos to London
- Flights from Kos to Thessaloniki
- Flights from Kos to Manchester
- Flights from Kos to Heraklion
- Flights from Kos to Dublin
- Flights from Kos to Vienna
- Flights from Kos to Brussels
- Flights from Kos to Larnaca
- Flights from Kos to Alexandroupoli
- Flights from Kos to Amsterdam
- Flights from Kos to Birmingham
- Flights from Kos to Frankfurt
- Flights from Kos to Bristol
- Flights from Kos to Zürich
- Flights from Kos to Dresden
- Flights from Kos to Edinburgh
- Flights from Kos to Cologne
- Flights from Kos to Düsseldorf
- Flights from Kos to Paris
Flights to Ontario
- Flights from London to Ontario
- Flights from New York to Ontario
- Flights from Bangkok to Ontario
- Flights from San Francisco to Ontario
- Flights from Denver to Ontario
- Flights from Sacramento to Ontario
- Flights from Taipei to Ontario
- Flights from Manila to Ontario
- Flights from Toronto to Ontario
- Flights from Calgary to Ontario
- Flights from Seattle to Ontario
- Flights from Las Vegas to Ontario
- Flights from San Jose to Ontario
- Flights from Orlando to Ontario
- Flights from Houston to Ontario
- Flights from Macau to Ontario
- Flights from Los Angeles to Ontario
- Flights from Washington, D.C. to Ontario
- Flights from Manchester to Ontario
- Flights from Detroit to Ontario
Popular routes
- Flights from Jaén to Reno
- Flights from Singapore to Jakarta
- Flights from Sørvágur to El Paso
- Flights from Mobile to Denpasar
- Flights from Kutaisi to Hartford
- Flights from Asunción to Bacău
- Flights from Corozal, Sucre to Larnaca
- Flights from Sibiu to Toronto
- Flights from Morgantown to Helsinki
- Flights from Akron to Tehran
- Flights from London to Athens
- Flights from Saint Barthélemy to Sarasota
- Flights from Athens to Kumasi